/*  mbed Microcontroller Library
    Copyright (c) 2006-2013 ARM Limited

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/
#ifndef MBED_CAN_API_H
#define MBED_CAN_API_H

#include "device.h"

#if DEVICE_CAN

#include "PinNames.h"
#include "PeripheralNames.h"
#include "can_helper.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
    IRQ_RX,
    IRQ_TX,
    IRQ_ERROR,
    IRQ_OVERRUN,
    IRQ_WAKEUP,
    IRQ_PASSIVE,
    IRQ_ARB,
    IRQ_BUS,
    IRQ_READY
} CanIrqType;


typedef enum {
    MODE_RESET,
    MODE_NORMAL,
    MODE_SILENT,
    MODE_TEST_LOCAL,
    MODE_TEST_GLOBAL,
    MODE_TEST_SILENT
} CanMode;

typedef void (*can_irq_handler)(uint32_t id, CanIrqType type);

typedef struct can_s can_t;

void          can_init(can_t* obj, PinName rd, PinName td);
void          can_free(can_t* obj);
int           can_frequency(can_t* obj, int hz);

void          can_irq_init(can_t* obj, can_irq_handler handler, uint32_t id);
void          can_irq_free(can_t* obj);
void          can_irq_set(can_t* obj, CanIrqType irq, uint32_t enable);

int           can_write(can_t* obj, CAN_Message, int cc);
int           can_read(can_t* obj, CAN_Message* msg, int handle);
int           can_mode(can_t* obj, CanMode mode);
int           can_filter(can_t* obj, uint32_t id, uint32_t mask, CANFormat format, int32_t handle);
void          can_reset(can_t* obj);
unsigned char can_rderror(can_t* obj);
unsigned char can_tderror(can_t* obj);
void          can_monitor(can_t* obj, int silent);

#ifdef __cplusplus
};
#endif

#endif    // MBED_CAN_API_H

#endif
